/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 21:49:37,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 21:49:37,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 21:49:37,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 21:49:37,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 21:49:37,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 21:49:37,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 21:49:37,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-SemanticLbe-Delay.epf [2021-03-12 21:49:37,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 21:49:37,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 21:49:37,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 21:49:37,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 21:49:37,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 21:49:37,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 21:49:37,532 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 21:49:37,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 21:49:37,533 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 21:49:37,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 21:49:37,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 21:49:37,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 21:49:37,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 21:49:37,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 21:49:37,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 21:49:37,534 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 21:49:37,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 21:49:37,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 21:49:37,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 21:49:37,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 21:49:37,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 21:49:37,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 21:49:37,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 21:49:37,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 21:49:37,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 21:49:37,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 21:49:37,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 21:49:37,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 21:49:37,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 21:49:37,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 21:49:37,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 21:49:37,536 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 21:49:37,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 21:49:37,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 21:49:37,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 21:49:37,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 21:49:37,826 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 21:49:37,826 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 21:49:37,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_tso.oepc.i [2021-03-12 21:49:37,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/034ae7286/97bfe603ddb140b09700cf37bb3330cd/FLAG5ce4b790f [2021-03-12 21:49:38,281 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 21:49:38,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_tso.oepc.i [2021-03-12 21:49:38,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/034ae7286/97bfe603ddb140b09700cf37bb3330cd/FLAG5ce4b790f [2021-03-12 21:49:38,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/034ae7286/97bfe603ddb140b09700cf37bb3330cd [2021-03-12 21:49:38,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 21:49:38,652 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 21:49:38,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 21:49:38,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 21:49:38,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 21:49:38,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:49:38" (1/1) ... [2021-03-12 21:49:38,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120a8b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:49:38, skipping insertion in model container [2021-03-12 21:49:38,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:49:38" (1/1) ... [2021-03-12 21:49:38,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 21:49:38,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 21:49:38,880 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_tso.oepc.i[950,963] [2021-03-12 21:49:39,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:49:39,030 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 21:49:39,038 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_tso.oepc.i[950,963] [2021-03-12 21:49:39,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:49:39,131 INFO L208 MainTranslator]: Completed translation [2021-03-12 21:49:39,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:49:39 WrapperNode [2021-03-12 21:49:39,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 21:49:39,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 21:49:39,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 21:49:39,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 21:49:39,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:49:39" (1/1) ... [2021-03-12 21:49:39,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:49:39" (1/1) ... [2021-03-12 21:49:39,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 21:49:39,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 21:49:39,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 21:49:39,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 21:49:39,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:49:39" (1/1) ... [2021-03-12 21:49:39,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:49:39" (1/1) ... [2021-03-12 21:49:39,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:49:39" (1/1) ... [2021-03-12 21:49:39,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:49:39" (1/1) ... [2021-03-12 21:49:39,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:49:39" (1/1) ... [2021-03-12 21:49:39,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:49:39" (1/1) ... [2021-03-12 21:49:39,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:49:39" (1/1) ... [2021-03-12 21:49:39,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 21:49:39,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 21:49:39,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 21:49:39,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 21:49:39,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:49:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 21:49:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 21:49:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 21:49:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 21:49:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 21:49:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 21:49:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 21:49:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 21:49:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 21:49:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-12 21:49:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-12 21:49:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 21:49:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 21:49:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 21:49:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 21:49:39,271 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 21:49:39,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 21:49:39,583 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-12 21:49:39,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:49:39 BoogieIcfgContainer [2021-03-12 21:49:39,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 21:49:39,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 21:49:39,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 21:49:39,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 21:49:39,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 09:49:38" (1/3) ... [2021-03-12 21:49:39,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0e797c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:49:39, skipping insertion in model container [2021-03-12 21:49:39,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:49:39" (2/3) ... [2021-03-12 21:49:39,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0e797c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:49:39, skipping insertion in model container [2021-03-12 21:49:39,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:49:39" (3/3) ... [2021-03-12 21:49:39,589 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_tso.oepc.i [2021-03-12 21:49:39,592 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 21:49:39,592 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 21:49:39,595 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 21:49:39,596 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 21:49:39,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,613 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,613 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,614 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,614 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,614 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,614 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,614 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,614 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,615 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,615 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,615 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,615 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,616 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,616 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,616 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,616 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,616 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,618 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,618 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,618 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,618 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,621 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,621 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,621 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,623 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,623 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:49:39,624 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 21:49:39,635 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 21:49:39,660 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 21:49:39,660 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 21:49:39,660 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 21:49:39,661 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 21:49:39,661 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 21:49:39,661 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 21:49:39,661 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 21:49:39,661 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 21:49:39,667 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 21:49:39,667 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 75 transitions, 165 flow [2021-03-12 21:49:39,669 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 75 transitions, 165 flow [2021-03-12 21:49:39,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 75 transitions, 165 flow [2021-03-12 21:49:39,690 INFO L129 PetriNetUnfolder]: 2/72 cut-off events. [2021-03-12 21:49:39,690 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-12 21:49:39,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 72 events. 2/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-03-12 21:49:39,694 INFO L116 LiptonReduction]: Number of co-enabled transitions 1296 [2021-03-12 21:49:41,424 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-03-12 21:49:41,588 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-03-12 21:49:41,925 INFO L131 LiptonReduction]: Checked pairs total: 2628 [2021-03-12 21:49:41,925 INFO L133 LiptonReduction]: Total number of compositions: 64 [2021-03-12 21:49:41,965 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:49:41,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:49:41,968 INFO L82 PathProgramCache]: Analyzing trace with hash 454706149, now seen corresponding path program 1 times [2021-03-12 21:49:41,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:49:41,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219578385] [2021-03-12 21:49:41,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:49:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:49:42,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:49:42,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219578385] [2021-03-12 21:49:42,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:49:42,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 21:49:42,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850916148] [2021-03-12 21:49:42,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-12 21:49:42,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:49:42,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-12 21:49:42,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-12 21:49:42,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,103 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:49:42,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 21:49:42,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 21:49:42,110 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:49:42,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:49:42,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1210983536, now seen corresponding path program 1 times [2021-03-12 21:49:42,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:49:42,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868431187] [2021-03-12 21:49:42,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:49:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:49:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:49:42,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868431187] [2021-03-12 21:49:42,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:49:42,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-12 21:49:42,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524477277] [2021-03-12 21:49:42,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 21:49:42,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:49:42,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 21:49:42,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-12 21:49:42,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,265 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:49:42,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 21:49:42,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:49:42,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 21:49:42,394 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:49:42,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:49:42,394 INFO L82 PathProgramCache]: Analyzing trace with hash -928277888, now seen corresponding path program 1 times [2021-03-12 21:49:42,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:49:42,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883724526] [2021-03-12 21:49:42,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:49:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:49:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:49:42,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883724526] [2021-03-12 21:49:42,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:49:42,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 21:49:42,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509624438] [2021-03-12 21:49:42,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 21:49:42,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:49:42,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 21:49:42,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-12 21:49:42,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,455 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:49:42,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 21:49:42,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:49:42,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 21:49:42,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:49:42,588 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 21:49:42,588 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:49:42,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:49:42,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1502987068, now seen corresponding path program 2 times [2021-03-12 21:49:42,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:49:42,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720587946] [2021-03-12 21:49:42,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:49:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:49:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:49:42,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720587946] [2021-03-12 21:49:42,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:49:42,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 21:49:42,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720515408] [2021-03-12 21:49:42,680 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 21:49:42,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:49:42,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 21:49:42,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-12 21:49:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,681 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:49:42,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 21:49:42,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 21:49:42,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:49:42,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 21:49:42,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:49:42,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:49:42,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 21:49:42,793 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:49:42,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:49:42,794 INFO L82 PathProgramCache]: Analyzing trace with hash -2104848593, now seen corresponding path program 1 times [2021-03-12 21:49:42,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:49:42,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879993591] [2021-03-12 21:49:42,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:49:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:49:42,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:49:42,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879993591] [2021-03-12 21:49:42,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:49:42,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 21:49:42,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236241346] [2021-03-12 21:49:42,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 21:49:42,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:49:42,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 21:49:42,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-12 21:49:42,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,864 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:49:42,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 21:49:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 21:49:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:49:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:49:42,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:43,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:49:43,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 21:49:43,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:49:43,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:49:43,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:49:43,019 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-12 21:49:43,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 09:49:43 BasicIcfg [2021-03-12 21:49:43,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 21:49:43,032 INFO L168 Benchmark]: Toolchain (without parser) took 4382.10 ms. Allocated memory was 255.9 MB in the beginning and 461.4 MB in the end (delta: 205.5 MB). Free memory was 235.5 MB in the beginning and 272.0 MB in the end (delta: -36.5 MB). Peak memory consumption was 167.4 MB. Max. memory is 16.0 GB. [2021-03-12 21:49:43,032 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 21:49:43,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.39 ms. Allocated memory was 255.9 MB in the beginning and 383.8 MB in the end (delta: 127.9 MB). Free memory was 234.6 MB in the beginning and 346.3 MB in the end (delta: -111.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-12 21:49:43,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.47 ms. Allocated memory is still 383.8 MB. Free memory was 346.3 MB in the beginning and 344.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:49:43,036 INFO L168 Benchmark]: Boogie Preprocessor took 35.49 ms. Allocated memory is still 383.8 MB. Free memory was 344.1 MB in the beginning and 342.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:49:43,036 INFO L168 Benchmark]: RCFGBuilder took 371.05 ms. Allocated memory is still 383.8 MB. Free memory was 342.8 MB in the beginning and 358.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-12 21:49:43,036 INFO L168 Benchmark]: TraceAbstraction took 3446.13 ms. Allocated memory was 383.8 MB in the beginning and 461.4 MB in the end (delta: 77.6 MB). Free memory was 358.2 MB in the beginning and 272.0 MB in the end (delta: 86.2 MB). Peak memory consumption was 162.3 MB. Max. memory is 16.0 GB. [2021-03-12 21:49:43,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 479.39 ms. Allocated memory was 255.9 MB in the beginning and 383.8 MB in the end (delta: 127.9 MB). Free memory was 234.6 MB in the beginning and 346.3 MB in the end (delta: -111.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 43.47 ms. Allocated memory is still 383.8 MB. Free memory was 346.3 MB in the beginning and 344.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 35.49 ms. Allocated memory is still 383.8 MB. Free memory was 344.1 MB in the beginning and 342.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 371.05 ms. Allocated memory is still 383.8 MB. Free memory was 342.8 MB in the beginning and 358.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3446.13 ms. Allocated memory was 383.8 MB in the beginning and 461.4 MB in the end (delta: 77.6 MB). Free memory was 358.2 MB in the beginning and 272.0 MB in the end (delta: 86.2 MB). Peak memory consumption was 162.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2256.7ms, 83 PlacesBefore, 32 PlacesAfterwards, 75 TransitionsBefore, 23 TransitionsAfterwards, 1296 CoEnabledTransitionPairs, 6 FixpointIterations, 18 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 64 TotalNumberOfCompositions, 2628 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1373, positive: 1283, positive conditional: 0, positive unconditional: 1283, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 886, positive: 859, positive conditional: 0, positive unconditional: 859, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 886, positive: 849, positive conditional: 0, positive unconditional: 849, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1373, positive: 424, positive conditional: 0, positive unconditional: 424, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 886, unknown conditional: 0, unknown unconditional: 886] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4225, positive: 3424, positive conditional: 3424, positive unconditional: 0, negative: 801, negative conditional: 801, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3651, positive: 3424, positive conditional: 3424, positive unconditional: 0, negative: 227, negative conditional: 227, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3651, positive: 3112, positive conditional: 0, positive unconditional: 3112, negative: 539, negative conditional: 0, negative unconditional: 539, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 103, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 103, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 25, positive conditional: 19, positive unconditional: 6, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 190, positive: 100, positive conditional: 72, positive unconditional: 28, negative: 90, negative conditional: 53, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3651, positive: 3023, positive conditional: 0, positive unconditional: 3023, negative: 525, negative conditional: 0, negative unconditional: 525, unknown: 103, unknown conditional: 0, unknown unconditional: 103] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 108, Positive conditional cache size: 19, Positive unconditional cache size: 89, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 1939, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 1627, negative conditional: 130, negative unconditional: 1497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1939, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 1627, negative conditional: 130, negative unconditional: 1497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 25, positive conditional: 19, positive unconditional: 6, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 190, positive: 100, positive conditional: 72, positive unconditional: 28, negative: 90, negative conditional: 53, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1939, positive: 293, positive conditional: 293, positive unconditional: 0, negative: 1609, negative conditional: 112, negative unconditional: 1497, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 108, Positive conditional cache size: 19, Positive unconditional cache size: 89, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 1497, SemanticConditionEliminator.Independence Queries: [ total: 1939, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 1627, negative conditional: 130, negative unconditional: 1497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1939, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 1627, negative conditional: 130, negative unconditional: 1497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 25, positive conditional: 19, positive unconditional: 6, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 190, positive: 100, positive conditional: 72, positive unconditional: 28, negative: 90, negative conditional: 53, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1939, positive: 293, positive conditional: 293, positive unconditional: 0, negative: 1609, negative conditional: 112, negative unconditional: 1497, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 108, Positive conditional cache size: 19, Positive unconditional cache size: 89, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 1497, SemanticConditionEliminator.Independence Queries: [ total: 1939, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 1627, negative conditional: 130, negative unconditional: 1497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1939, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 1627, negative conditional: 130, negative unconditional: 1497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 25, positive conditional: 19, positive unconditional: 6, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 190, positive: 100, positive conditional: 72, positive unconditional: 28, negative: 90, negative conditional: 53, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1939, positive: 293, positive conditional: 293, positive unconditional: 0, negative: 1609, negative conditional: 112, negative unconditional: 1497, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 108, Positive conditional cache size: 19, Positive unconditional cache size: 89, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 1497, SemanticConditionEliminator.Independence Queries: [ total: 1939, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 1627, negative conditional: 130, negative unconditional: 1497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1939, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 1627, negative conditional: 130, negative unconditional: 1497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 25, positive conditional: 19, positive unconditional: 6, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 190, positive: 100, positive conditional: 72, positive unconditional: 28, negative: 90, negative conditional: 53, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1939, positive: 293, positive conditional: 293, positive unconditional: 0, negative: 1609, negative conditional: 112, negative unconditional: 1497, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 108, Positive conditional cache size: 19, Positive unconditional cache size: 89, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 1497, SemanticConditionEliminator.Independence Queries: [ total: 1939, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 1627, negative conditional: 130, negative unconditional: 1497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1939, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 1627, negative conditional: 130, negative unconditional: 1497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 25, positive conditional: 19, positive unconditional: 6, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 190, positive: 100, positive conditional: 72, positive unconditional: 28, negative: 90, negative conditional: 53, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1939, positive: 293, positive conditional: 293, positive unconditional: 0, negative: 1609, negative conditional: 112, negative unconditional: 1497, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 108, Positive conditional cache size: 19, Positive unconditional cache size: 89, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 1497 ], Maximal queried relation: 5, Independence queries for same thread: 574 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3384.2ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2273.9ms, PartialOrderReductionTime: 561.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.7ms SsaConstructionTime, 84.4ms SatisfiabilityAnalysisTime, 307.4ms InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...